1 2 5 7x 8 4x 6 July 8, 2019 16 32 64 128 (5x - 1) *1 6=1 8x-4 7 2 4(−6x−17)=−7 8(5x−20) x=x= 1 6(5x-1)=1 8x-4 7 2(8x - 7) = 18 - 4(5 - 4x)